Go down and check coupons out. Remember to check price history if it is available. Let’s see what best price is ATM.
Net Weight: 197.0g/7.0oz, Power input: DC 5V, no downtime), Current input: 350 Mah, Quantity: 1 PC, Rated voltage: DC 3.4 V – 4.2 V, Charging interface: universal USB interface, Battery working time: 5 hours (continuous work, Color: Green/Yellow/Blue, Size: 6.8*6.8*6.8cm/2.7*2.7*2.7”, Working temperature: 32 °F ~ 104 °F (0 °C ~ 40 °C)., Battery: lithium battery, Rated power: 3.7 V 300 Mah, Material: Silicone + ABS, Relative temperature: 10%-90%. (non-condensing)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($21.70): 00c906
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BJJPTOYSPET, AFfbG10, BGPETWK00, BGJPWQE1, BGZAZC100, BGBFAFF2019, BGAQQ457, BGPTRA, BGCITYADS2019, BGVWDFW, BGBFJP111, BGPPOOJP, BGBAPOHG, BGWKJP1, BGUUQX, BGPJPP, BGMWJJP, BGMYDJP, BGBBYJP, BGWACWJP, BGHOMEG12, BGXWGJP, BGCXAJP, BGBXZJP, SKUD81830, BGAFF10OFF, BGQQ1JP, BGTT10, bGhOnEy10, BGBBQJJP, BGBBCCJP, BGHLVDQJP, BGJJCWJP, bgshOOp10, BGHome15%, BgcLuBofErtA10, BGCuponation10, 13f142, BGHONEY2110, BANGGOODSD, 6GSGIT
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for Pet Waterproof Bite resistant LED Ball.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).